Jamb Mathematics Past Questions For Year 1997
Question 11
Find the minimum value of \(x^2- 3x + 2\) for all real values of x
- A. -\(\frac{1}{4}\)
- B. -\(\frac{1}{2}\)
- C. \(\frac{1}{4}\)
- D. \(\frac{1}{2}\)
Question 12
Make F the subject of the formula t = \(\sqrt{\frac{v}{\frac{1}{f} + \frac{1}{g}}}\)
- A. \(\frac{gv-t^2}{gt^2}\)
- B. \(\frac{gt^2}{gv-t^2}\)
- C. \(\frac{v}{\frac{1}{t^2} - \frac{1}{g}}\)
- D. \(\frac{gv}{t^2 - g}\)
Question 13
What value of g will make the expression 4\(x^2\)- 18xy + g a perfect square?
- A. 9
- B. \(\frac{9y^2}{4}\)
- C. 81\(y^2\)
- D. \(\frac{18y^2}{4}\)
Question 14
Find the value of k if \(\frac{5 + 2r}{(r + 1)(r - 2)}\) expressed in partial fraction is \(\frac{k}{r - 2}\) + \(\frac{L}{r + 1}\) where K and L are constants
- A. 3
- B. 2
- C. 1
- D. -1
Question 15
Let f(x) = 2x + 4 and g(x) = 6x + 7 here g(x) > 0. Solve the inequality \(\frac{f(x)}{g(x)}\)
- A. x
- B. x > - \(\frac{4}{3}\)
- C. x > - \(\frac{3}{4}\)
- D. x > - 12